Q. OSGi—which was formerly known as the:-

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Q. OSGi provides a layer on top of the JVM’s default class loader.

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Q. On top of Spring Dynamic Modules, SpringSource built SpringSource dm Server, which is a server wired from top to bottom with OSGi and Spring.

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Q. OSGi is a framework.

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Q. User component models are:-

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Q. In OSGi, anything used by something else is a state.

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Q. “Service” doesn’t imply any:-

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Q. OSGi bundles are simply standard .jar files with customized MANIFESTs that OSGi consumes at runtime.

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Q. Tool which dynamically interrogates classes for their imports and generates OSGi–compliant entries.

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Q. The Bundle-Activator directive describes to the OSGi environment, which class implements :-

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Q. When the bundle begins to load and start, it calls the start method of the:-

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Q. To start using Spring to smooth over some of the minutiae of resource acquisition and to help build more reliable systems in an OSGi environment.

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Q. Spring Dynamic Modules scans our deployed bundles and loads an ApplicationContext (actually, the specific type of the ApplicationContext is OsgiBundleXmlApplicationContext) into memory based on an event, or a trigger.

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Q. You’ll split your OSGi–specific Spring configuration and your plain-vanilla Spring configuration into:-

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Q. To create services and have those automatically installed in the registry.

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Q. Element to export the bean as an OSGi service, classified by the interface we specify.

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Q. An anonymous bean specified inside of the osgi:service element allows you to avoid cluttering the namespace.

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Q. The first, most direct connection to OSGi is the bean that’s created on your behalf when you export a service. This bean, an instance of:-

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Q. By default, beans created in a Spring application context are global to the entire OSGi runtime.

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Q. Sometimes, you may want to limit the visibility of a service so that multiple clients each get their own instance of the bean.

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